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In several applications such as databases, planning, and sensor networks, parameters such as selectivity, load, or sensed values are known only with some associated uncertainty. The performance of such a system (as captured by some…

数据结构与算法 · 计算机科学 2010-01-28 Sudipto Guha , Kamesh Munagala

Contrastive language-image pretraining (CLIP) has demonstrated remarkable success in various image tasks. However, how to extend CLIP with effective temporal modeling is still an open and crucial problem. Existing factorized or joint…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Shuyuan Tu , Qi Dai , Zuxuan Wu , Zhi-Qi Cheng , Han Hu , Yu-Gang Jiang

Deep neural networks often degrade under distribution shifts. Although domain adaptation offers a solution, privacy constraints often prevent access to source data, making Test-Time Adaptation (TTA, which adapts using only unlabeled test…

机器学习 · 计算机科学 2025-06-10 Linjing You , Jiabao Lu , Xiayuan Huang

Continual Test-time adaptation (CTTA) continuously adapts the deployed model on every incoming batch of data. While achieving optimal accuracy, existing CTTA approaches present poor real-world applicability on resource-constrained edge…

机器学习 · 计算机科学 2026-04-21 Xiao Ma , Young D. Kwon , Dong Ma

A conformal classifier produces a set of predicted classes and provides a probabilistic guarantee that the set includes the true class. Unfortunately, it is often the case that conformal classifiers produce uninformatively large sets. In…

机器学习 · 计算机科学 2025-05-30 Divya Shanmugam , Helen Lu , Swami Sankaranarayanan , John Guttag

Vision-Language-Action (VLA) models, particularly diffusion-based architectures, demonstrate transformative potential for embodied intelligence but are severely hampered by high computational and memory demands stemming from extensive…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Yantai Yang , Yuhao Wang , Zichen Wen , Luo Zhongwei , Chang Zou , Zhipeng Zhang , Chuan Wen , Linfeng Zhang

Quantization-aware training (QAT) is essential for deploying large models under strict memory and latency constraints, yet achieving stable and robust optimization at ultra-low bitwidths remains challenging. Common approaches based on the…

机器学习 · 计算机科学 2026-02-19 Tianyi Chen , Sihan Chen , Xiaoyi Qu , Dan Zhao , Ruomei Yan , Jongwoo Ko , Luming Liang , Pashmina Cameron

The performance of deep learning models depends heavily on test samples at runtime, and shifts from the training data distribution can significantly reduce accuracy. Test-time adaptation (TTA) addresses this by adapting models during…

机器学习 · 计算机科学 2026-02-03 Michal Danilowski , Soumyajit Chatterjee , Abhirup Ghosh

While scaling test-time compute can substantially improve model performance, existing approaches either rely on static compute allocation or sample from fixed generation distributions. In this work, we introduce a test-time compute…

人工智能 · 计算机科学 2026-04-24 Bowen Zuo , Dongruo Zhou , Yinglun Zhu

Features in machine learning problems are often time-varying and may be related to outputs in an algebraic or dynamical manner. The dynamic nature of these machine learning problems renders current higher order accelerated gradient descent…

最优化与控制 · 数学 2019-05-29 Joseph E. Gaudio , Travis E. Gibson , Anuradha M. Annaswamy , Michael A. Bolender

3D Vision-Language Foundation Models (VLFMs) have shown strong generalization and zero-shot recognition capabilities in open-world point cloud processing tasks. However, these models often underperform in practical scenarios where data are…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Mehran Tamjidi , Hamidreza Dastmalchi , Mohammadreza Alimoradijazi , Ali Cheraghian , Aijun An , Morteza Saberi

Test-time adaptation (TTA) seeks to tackle potential distribution shifts between training and testing data by adapting a given model w.r.t. any testing sample. This task is particularly important for deep models when the test environment…

机器学习 · 计算机科学 2022-06-01 Shuaicheng Niu , Jiaxiang Wu , Yifan Zhang , Yaofo Chen , Shijian Zheng , Peilin Zhao , Mingkui Tan

Given the rapidly evolving nature of social media and people's views, word usage changes over time. Consequently, the performance of a classifier trained on old textual data can drop dramatically when tested on newer data. While research in…

计算与语言 · 计算机科学 2021-08-31 Rabab Alkhalifa , Elena Kochkina , Arkaitz Zubiaga

Recent works have demonstrated great success in pre-training large-scale autoregressive language models on massive GPUs. To reduce the wall-clock training time, a common practice is to increase the batch size and learning rate. However,…

机器学习 · 计算机科学 2022-10-18 Conglong Li , Minjia Zhang , Yuxiong He

Deploying multi-sequence magnetic resonance imaging (MRI) segmentation models to new clinical environments is challenging due to variations in scanners and acquisition protocols. Although existing TTA methods handle basic per-modality…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Zhipeng Deng , Jiale Zhou , Wenhan Jiang , Haolin Wang , Xun Lin , Yafei Ou , Yefeng Zheng

Test-Time Adaptation aims to adapt source domain model to testing data at inference stage with success demonstrated in adapting to unseen corruptions. However, these attempts may fail under more challenging real-world scenarios. Existing…

机器学习 · 计算机科学 2025-03-27 Yongyi Su , Xun Xu , Kui Jia

Data augmentation is known to contribute significantly to the robustness of machine learning models. In most instances, data augmentation is utilized during the training phase. Test-Time Augmentation (TTA) is a technique that instead…

机器学习 · 统计学 2024-09-20 Masanari Kimura , Howard Bondell

Test-time adaptation (TTA) aims to correct performance degradation of deep models under distribution shifts by updating models or inputs using unlabeled test data. Input-only diffusion-based TTA methods improve robustness for classification…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Jihyun Yu , Yoojin Oh , Wonho Bae , Mingyu Kim , Junhyug Noh

In this paper, we seek to develop a versatile test-time adaptation (TTA) objective for a variety of tasks - classification and regression across image-, object-, and pixel-level predictions. We achieve this through a self-bootstrapping…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Shuaicheng Niu , Guohao Chen , Peilin Zhao , Tianyi Wang , Pengcheng Wu , Zhiqi Shen

Test-time adaptation (TTA) enables a pre-trained model to adapt online to an unlabeled test stream under distribution shift. While most TTA research focuses on the adaptation objective, practical streams also depend critically on the memory…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Shyma Alhuwaider , Yasmeen Alsaedy , Merey Ramazanova , Silvio Giancola , Bernard Ghanem